Table 2. Mean Scores From the Neuropsychological Evaluation Conducted for the Old and Young Adults Who Participated in Experiment 3.
Old (n = 19, 11F) | Young (n = 18, 12F) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Variable | M | Range | SE | >2 SDa | M | Range | SE | >2 SDa | P |
Note. F = females; MoCA = Montreal Cognitive Assessment; TMT = Trail Making Test; ROCFT, Rey-Osterrieth Complex Fig. Test; HVLT-R = Hopkins Verbal Learning Test-Revised; BNT = 15-Item Boston Naming Test; TOPF-FSIQ = Test of Premorbid Functioning-Full Scale Intelligence Quotient; P = probability of difference between young and old adults, Mann-Whitney nonparametric test (n.s., non-significant). | |||||||||
a These columns contain the number of individuals who had a score that was two standard deviations away from the age-adjusted normative values (n.a. = relevant normative values not available). | |||||||||
Age | 67.1 | 51–83 | 2.0 | 0 | 22.7 | 19–28 | .6 | 0 | <.001 |
Education | 15.6 | 10–24 | .8 | 0 | 17.8 | 13–23 | .6 | 0 | <.05 |
MoCA | 28.1 | 26–30 | .3 | 0 | 27.6 | 26–30 | .3 | 0 | n.s. |
TMT: A (s) | 32.9 | 18–87 | 3.9 | 1 | 23.6 | 12–49 | 2.4 | 1 | <.05 |
TMT: B (s) | 78.8 | 32–178 | 9.4 | 2 | 50.8 | 22–183 | 8.5 | 1 | <.01 |
ROCFT | |||||||||
Copy (out of a possible 36) | 31.5 | 19–36 | .9 | 1 | 33.5 | 28–36 | .5 | n.a. | n.s. |
Immediate (out of a possible 36) | 16.2 | 6–27 | 1.5 | 0 | 20.6 | 12.5–28 | 1.3 | n.a. | n.s. |
Delay (out of a possible 36) | 14.7 | 3–27 | 1.7 | 1 | 20.6 | 10–28.5 | 1.5 | n.a. | <.05 |
Category fluency | 22.9 | 6–24 | .8 | 0 | 23.1 | 9–34 | 1.5 | 1 | n.s. |
HVLT-R | |||||||||
Trial 1 | 5.7 | 2–9 | .4 | 0 | 5.8 | 3–8 | .3 | n.a. | n.s. |
Trial 2 | 8.1 | 4–11 | .4 | 0 | 8.7 | 6–12 | .4 | n.a. | n.s. |
Trial 3 | 9.3 | 6–11 | .4 | 0 | 10.3 | 7–12 | .4 | n.a. | <.05 |
Learning | 3.6 | 0–7 | .5 | 0 | 4.6 | 2–7 | .3 | n.a. | n.s. |
Sum of 1–3 | 23.1 | 13–29 | .9 | 0 | 24.8 | 16–32 | 24.8 | n.a. | n.s. |
Delayed recall | 8.7 | 4–12 | .6 | 0 | 9.2 | 6–12 | .5 | n.a. | n.s. |
Percent retained (%) | 94.6 | 44–133 | 5.2 | 0 | 89.2 | 50–109 | 3.4 | n.a. | n.s. |
True positives | 11.3 | 9–12 | .2 | 1 | 11.7 | 10–12 | .1 | n.a. | n.s. |
False positives | 1.2 | 0–13 | .3 | 0 | .4 | 0–2 | .1 | n.a. | <.05 |
Discrimination index | 10.2 | 7–12 | .4 | 0 | 11.3 | 9–12 | .2 | n.a. | n.s. |
BNT | 14.2 | 12–15 | .2 | 0 | 11.8 | 7–14 | .4 | n.a. | <.001 |
Digit span (scaled score) | 10.7 | 7–16 | .6 | n.a. | 9.3 | 5–17 | .6 | n.a. | n.s. |
Purdue pegboard right | 12.4 | 7–19 | .6 | 1 | 14.3 | 12–18 | .4 | 1 | <.01 |
Purdue pegboard left | 11.6 | 9–15 | .4 | 1 | 13.0 | 10–17 | .5 | 5 | n.s. |
Purdue pegboard both | 9.5 | 5–12 | .5 | 3 | 11.4 | 9–15 | .4 | 4 | <.01 |
Purdue pegboard assembly | 24.6 | 14–37 | 1.5 | 3 | 32.1 | 20–48 | 1.8 | 6 | <.01 |
TOPF-FSIQ | 114.3 | 96.9–132.5 | 2.4 | 0 | 110.6 | 101.1–120.1 | 1.3 | 0 | n.s. |